Guys, if you plan to order one SMOK Trinity Alpha Kit, you must also need SMOK Trinity Alpha Pod with Coils. The SMOK Trinity Alpha Pod is specially designed for the SMOK Trinity Alpha Battery or SMOK Trinity Alpha Kit. With the 2.80ml capacity and side refilling hole, it is easy to replace and refill. SMOK Trinity Pod adopts a stainless steel push-up-type filling cap for convenient e-juice refill and effective leakage prevention.